Home / 113,786.16-157,024.87-63,485.16

Finding the Fourth Proportional to 113,786.16, 157,024.87 and 63,485.16

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Solution

The fourth proportional to 113,786.16, 157,024.87 and 63,485.16 is: 87,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786.16 : 157,024.87 = 63,485.16 : x
  2. Step 2: Convert to fraction form
    113,786.16/157,024.87 = 63,485.16/x
  3. Step 3: Cross multiply
    113,786.16x = 157,024.87 × 63,485.16
  4. Step 4: Simplify right side
    113,786.16x = 9,968,748,995.93
  5. Step 5: Solve for x
    x = 9,968,748,995.93/113,786.16
  6. Step 6: Final answer
    x = 87,609.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.